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Darya [45]
3 years ago
13

Stoichionetry Quiz

Chemistry
1 answer:
Maru [420]3 years ago
4 0

Answer:

a

Explanation:

first form your equation and it is C3H8+5O2-4H2O+3CO2 44g of C3H8 produce 3moles of CO2/400g of C3H8 produce x the answer is 27.27moles when you cross multiply

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Please helpppp
notka56 [123]
1.

2.Unconformity

3. Folding

4. Law of superposition
4 0
3 years ago
A 25.0 mL sample of HCI reacted with 20.0 mL of 2.00 M NaOH. What is the molarity of the HCI?
Lemur [1.5K]

Answer:

Molarity of HCl = 1.6M

Explanation:

The chemical reaction equation is;

HCl(aq) + NaOH(aq) —> NaCl(aq) + H2O(l)

Now, molarity = number of moles/volume

Thus, for NaOH, we have;

Number of moles = molarity × volume = 2M × (20/1000) L

Number of moles = 0.04 moles

Using the coefficients in the chemical equation above, we can find the corresponding number of moles for HCl.

Number of moles of HCl = 0.04 moles NaOH × (1 mole of HCl/1 mole of HCl) = 0.04 moles of HCl

Thus;

Molarity of HCl = 0.04/(25/1000)

Molarity of HCl = 1.6M

5 0
3 years ago
What is the main function of the part labeled Y in the model?
Tanya [424]

Answer

D

Explanation

<em>the</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>D</em>

8 0
3 years ago
Read 2 more answers
What mass of boron sulfide must be processed with 2.1 x 10 4g of carbon to yield 3.11 x 10 4 g of boron and 1.47 x 10 5 g of car
Basile [38]

The reaction between boron sulfide and carbon is given as:

2B2S3 + 3C → 4B + 3CS2

As per the law of conservation of mass, for any chemical reaction the total mass of reactants must be equal to the total mass of the products.

Given data:

Mass of C = 2.1 * 10^ 4 g

Mass of B = 3.11*10^4 g

Mass of CS2 = 1.47*10^5

Mass of B2S3 = ?

Now based on the law of conservation of mass:

Mass of B2S3 + mass C = mass of B + mass of CS2

Mass of B2S3 + 2.1 * 10^ 4 = 3.11*10^4 + 1.47*10^5

Mass of B2S3 = 15.7 * 10^4 g


4 0
4 years ago
1. Used as a solvent
Yanka [14]

Answer:

1. Used as a solvent - CH3OH

2. The major constituent of natural gas -

CH4

3. Vinegar when in a diluted form - CH3COOH

4. Used in the manufacture of polyethylene plastic

C2H4

Hope this helps.

4 0
4 years ago
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